
print("hello world")

print("hello wor\nld")

print("\\t\t t")

print(r'\\\\a') # 不转义


# 通过''''''包围起来的，写多少行就打印多少行。
print('''啊啊啊啊
hello world
fdjfksdjfkl
傻逼''')


print(True and False)
age =19
if(age > 18):
    print(True)
else:
    print(False)

n = 123
f = 456.789
s1 = "hello world"
s2 = "hello ,\\'Adam\\'"
s3 = r'Hello "Bart"'
s4 = r'''hello,
Bob!'''

print(n)
print(f)
print(s1)
print(s2)
print(s3)
print(s4)
